波形鐵 的英文怎麼說
中文拼音 [bōxíngtiě]
波形鐵
英文
corrugated iron-
Figure 91 illustrates a string of detectors and figure 92 the string assembled on a hasp for transportation.
圖91表示檢波器小線，而圖92表明為了運輸方便把小線扣在鐵環上的情形。A i med at the badu ( k343 ) i arge seale i andslide in the nankun railway, geophysical exploration techniques such as seismic reflection of high resolution and geological radar are appi ied to detect the geologic characteristics of the landslide mass including 3d - conformation, perimeter, geometric parameters, si ippage pattern and distribution of displacement field in this dissertation. besides, acoustic method is used for detection of the former anti - slide piles and potency losing causations of the piles are analyzed and the sound geological conditions for upgrade of the piles are ascertained by the above investigations
本文針對南昆鐵路八渡（ k343 ）大型滑坡，運用高解析度反射地震、地質雷達等地球物理探測技術對滑坡體地質進行了詳細的勘測，揭示了八渡滑坡體的空間形態、邊界與幾何參數、滑動方式以及位移場分佈特徵；同時，利用聲波探測對原抗滑樁進行了檢測，分析了失效原因，並查清了擬建抗滑樁地段的地質條件。Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively
本文對大圓環直線感應電機進行了深入細致研究，內容包括： （ 1 ）本文採用有限長行波面電流作用於有限長鐵芯上的模型，引用了氣隙磁場一維解，研究了單層繞組磁場，奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較，簡單介紹了二維解； （ 2 ）用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析，並分析了結果； （ 3 ）用軟體進行了額定電壓下的瞬態分析，得到了轉矩，位移，轉速隨時間變化曲線圖，利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較，採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證，由實驗測得了三相電流波形，並與計算結果進行了比較，對其不對稱性進行了定性分析。Gaskets regularly furnished in class 150 and 300 wedgeplug valves are corrugated soft iron of excellent strength and ductibility. classes 600 - 1500 are ring - joint type
壓力等級為150和300的楔形塞閥門通常配置的墊圈是波紋狀軟鐵，具有優異的強度和延展性。壓力等級600 - 1500則採用環連接類型。Analysis for magnetic field of srm is very complicated since the flux waveforms in different parts of the motor vary with motor phase, stator pole and rotor number, also with the winding connections, etc, which results in the srm losses, especially iron loss calculation difficult. the temperature analysis due to the losses has become a study hot spot
Sr電機鐵心的磁通波形不僅與電機的相數有關，還與定、轉子齒極數、定子繞組連接方式等密切相關，從而使得sr電機磁場分析很復雜，復雜的磁通密度波形導致電機損耗特別是鐵損的計算非常困難。電機的損耗又會引起電機的溫升，因此高性能的sr電機的熱分析也成為目前的研究熱點。Such windings make better use of iron and copper and also improve the mmf waveform and smooth out the torque developed by the machine
這種繞組可以更好地使用鐵和銅，並改善磁動勢的波形以及平滑電機所產生的力矩。Experiment contrast show, the prepared w - type planar hexaferrite microwave absorptive material appears two absorptive peaks in the frequency range of ( 7 ~ l2ghz ), its average attel1uation exceed 7db, the maximum absorptive attenuation is 24db, coat matching thickness is l. 21mm, especialy its curie temperature is 457c. so, it can meet practical demands in military camouflage field
實驗結果表明，該種吸收材料在x波段內呈現兩個吸收峰，平均衰減量7db ，最大吸收峰為24db ，塗層匹配厚度為1 . 21mm ，特別是具有457的居里溫度。所以該種鐵氧體是一種性能優良的微波吸收材料，在軍事隱形技術中有實用價值。On the basis of former research, drawing software neharpal. 0 is developed to analyze the negative phase sequence and harmonic of electric traction loads. neharpal
在既有成果的基礎上，開發了一套主要應用於電氣化鐵道牽引負荷負序、諧波滲透分析的電網圖形系統模擬軟體neharpa1 . 0 。This thesis regard internal property reorganization in the group of pangang as the research object, from chengdu seamless steel pipe limited liability company with chengdu iron and steel works inside exterior environment reorganizing in front and back commences, making use of to exceed the makel - bot with of five factors competition models and the method of factors analysis, after analyzing the reorganization of the business enterprise a profession for facing competes the situation. develop the development the business enterprise with the profession industry from the international local profession rival circumstance after analyzing the reorganization should the market position of the establishment with develop the strategy target. make use of the swot the analysis the method, to after the reorganization the development strategy of the business enterprise, from manage the angle proceeded the fixed position analyzes, for after the reorganization business enterprise development provided four kinds of developments strategy that eligibility choose : the brave development strategy, request the resources advantage, funds advantage, human resource advantage, technique advantage that new company make the most of new business enterprise in empress in reorganization, is an essential condition to increases to manage the level, quickly technique reforms, develop the high and additional worth product with new product production line, as soon as quikly change to strong and large business enterprise, realizes soon steel aircraft carrier dream ; dispersion strategy, the technology market quota with deal with produce high additional worth product, completely promote business enterprise brand image, extend high carry product of the exaltation product, is a necessary means to increases business enterprise performance, realizes business enterprise target ; defense strategy, adjusting the business enterprise organizes construction, reducing the intensive type in labor and the low additional worth product line, lower bad the property saves the deal, alleviating the business enterprise burden, attaining the casual wear go to battle, benefitting to the challenge that make frontal attack the rival ; withdraw strategy, compress the production of the high depletion and high cost product, simplify the production craft, controlling the cost of the end product in the lower level, is a valid path to increases business enterprise competition ability
本論文以攀鋼集團內部的資產重組為研究對象，從成都無縫鋼管有限責任公司與成都鋼鐵廠重組前後的內外部環境入手，運用邁克爾?波特的五力競爭模型及因素分析法，分析了重組后的企業所面臨的行業競爭態勢。從國際國內行業競爭對手情況和本行業發展動態分析了重組后企業應確立的市場地位和發展戰略目標。運用swot分析法，對重組后企業的發展戰略，從管理角度進行了定位分析，為重組后企業發展提供了可選擇的四種發展戰略：即大膽發展戰略，要求新公司充分運用重組后新企業的資源優勢，資金優勢，人力資源優勢，技術優勢，是提高管理水平，加快技術改造，開發高附加值產品和新產品生產線，盡快立於強勢企業之林，早日實現「鋼鐵航母」夢的必要條件；分散性戰略，提高產品的科技含量和生產高附加值的產品，全面提升企業品牌形象，擴大高端產品的市場份額，是提高企業效益，實現企業目標的必要手段；防禦性戰略，調整企業組織結構，削減勞動密集型和低附加值產品生產線，降低不良資產存量，減輕企業包袱，做到輕裝上陣，有利於迎擊競爭對手的挑戰；退出性戰略，壓縮高消耗、高成本產品的生產，降低低端產品的比例，精簡生產工藝，將最終產品的成本控制在較低水平，是提高企業競爭力的有效途徑。Especially, they are characteristic of low price and perfect absorbability, so they can be an important absorbent in radar absorbing materials
鐵氧體既具有亞鐵磁性又有介電特性，對簡諧微波電磁場來說，其相對磁導率和相對介電系數均呈現復數形式。When the train moves, the wheel and the track system will interact each other. because of the action of the wheel, the track may bright bent transformation, and the transformation spread in the ground
軌道系統由鐵軌、枕木和碎石墊層組成，列車在運行時車輪與軌道系統會產生相互作用，由於輪重的作用使軌道產生彎曲變形，這一彎曲波通過周圍地層向外傳播。Meanwhile it can filter the waveform and gather the envelope and calculation the current peak and max steepness of lightning by length of erased magnetic record. thirdly we need analyze the difference of length of erased magnetic record between kinds magnetic tape or pre - recorded sine wave on magnetic tape, and finding the min and max lightning current that can be recorded by magnetic tape. then we confirm the type of the magnetic tapes and the way of installing which fit to the line towers
同時對該波形進行濾波消噪，提取包絡線計算磁帶消磁長度和雷電流峰值及最大陡度第三部分根據mtlcd得出的數據分析不同雷電流通道下不同磁帶、不同預錄正弦波消磁長度的差異及磁帶可以記錄的最小雷電流和最大雷電流，找到可以在輸電鐵塔角鋼上安裝使用的磁帶及其放置方式。Firstly, srm magnetic field analysis is performed to get the flux density waveforms in motor core
本文首先對sr電機的磁場進行了有限元分析，得到了電機鐵心各點的磁通密度波形及變化規律。Iron and steel - ultrasonic testing of h beams with parallel flanges and ipe beams
鐵和鋼.帶平行法蘭的h形鋼梁和ipe鋼梁的超聲波檢測Considering the influence of damping winding and if core is saturated or not, the no - loading emf waveform of a conventional generator having the same size with the prototype ( except the stator slot ) is analyzed, and the waveform deviation factor is taken out
對一臺具有與電力發生器樣機相同尺寸（除定子槽形）傳統發電機的空載電勢波形進行了分析。分析了不考慮鐵心飽和、考慮阻尼繞組影響和考慮鐵心飽和、考慮阻尼繞組影響兩種情況下，它的空載感應電勢，求取了空載電勢波形畸變率。According to the no - loading waveform deviation factor, the prototype conforms to the national design standard and practical needs in the engineering. more important, the high voltage is achieved. in the condition of considering core saturation and damping winding influence, the influence to powerformer of the no - loading tooth harmonic emf is smaller than conventional generator, and the waveform deviation factor of the former is smaller, too
由求得的樣機空載電勢波形畸變率可知，該樣機滿足國家設計標準和工程實用要求，更重要的是，實現了產生高壓的目的；考慮鐵心飽和、考慮阻尼繞組影響情況時，電力發生器與具有相同尺寸（除定子槽形）的傳統發電機相比，空載齒諧波電勢對電力發生器的影響較小，前者的空載波形畸變率較小。Unlike inverters for general purpose, auxiliary inverters of subway vehicle have the characters of high power, wide range of high dc input voltage, entirely sealed electronic units and natural cooling. single pulse width modulation ( pwm ) technology is found to be optimal by comparing several different high power inverter technologies and is utilized in the 2 - channel staircase inverter discussed in this thesis
針對地鐵車輛輔助逆變電源的大功率、直流側輸入電壓高且變化范圍寬、輸出電壓穩定且波形質量高，電子部件全密封且要求自然冷卻的特點，分析比較了幾種大功率逆變器技術方案，選擇單邊脈寬調制階梯波合成逆變器為研究對象。In this paper, the mechanics model and computer control method for electromagnetism vibration feeder are studied. the emphases are put on the seeking of optical motion states and the realization of these states by computer control. using labview ( laboratory virtual instrument engineering workbench ), a waveform generator is established to control the electromagnetic force
本文對電磁振動給料機的力學模型與計算機控製做了比較深入的分析和研究，特別是給料機的力學分析與最佳運動狀態、電磁鐵的一些特性和用labview實現計算機控制，在與傳統的控制方法對照的情況下，建立了對比較周全的力學模型，提出了利用labview程序產生一個波形發生器，經過放大后對電磁鐵進行控制。According to the signal features of various automatic block systems, a signal singularity detection method based on the wavelet analysis technique is adopted in this paper to carry out singularity detection for the data recorded by the cab signaling recorder
摘要根據鐵路目前各種自動閉塞制式的信號特點，利用基於小波分析技術的信號奇異性檢測方法，通過機車信號記錄器數據分析處理軟體對機車信號記錄器所記錄的波形信號進行奇異性檢測。Firstly, in order to get the credible current wave of the saturate ta, a simulate program of ta is written, and a little ta which can easily saturates is also made
首先，為獲得各種短路情況下真實的電流互感器的飽和波形，編寫了ta的計算機模擬程序，並自行設計製作了一個小截面鐵芯的易飽和ta 。分享友人